Posoxil GR 100mg Tablet belongs to a class of drugs called azole Anti-Fungals containing the active ingredient Posaconazole. It is used to treat and prevent certain fungal infections. The medication is commonly prescribed for preventing and treating invasive fungal infections in patients with weak immune systems, such as those undergoing cancer chemotherapy, stem cell transplantation, or those with HIV/AIDS. It also treats certain fungal infections in individuals who cannot tolerate or have not responded to other Anti-Fungal treatments. This drug is contraindicated in individuals with known hypersensitivity or allergy to other Anti-Fungal medications like ketoconazole, fluconazole, itraconazole, or voriconazole. Before taking Posoxil GR 100mg Tablet, it is necessary to consult with your physician if you have certain heart conditions like abnormal heart rhythm (long QTc interval), weakness of the heart muscle, heart failure, or any heart rhythm disturbances, or if you experience severe kidney problems, diarrhea or vomiting while on treatment with this drug, it's important to inform your physician immediately, as these conditions may affect the medicine's effectiveness. Posoxil GR 100mg Tablet may affect the levels of potassium, magnesium, or calcium in the blood. If you have any problems with these electrolyte levels, your doctor will monitor you closely during treatment. If you are taking medications such as vincristine, vinblastine, or any other vinca alkaloids drugs which are used to treat cancer, you should also inform your physician before initiating the treatment. If you are pregnant, use this drug only if your doctor advises. Consuming this drug while breastfeeding may be unsafe because it passes into breast milk and affects the child. Do not breastfeed while taking this medicine.